Hadrick M K, Vaden S L, Geoly F J, Cullen J M, Douglass J P
Department of Companion Animal and Special Species Medicine, North Carolina State University, Raleigh 27606, USA.
J Vet Intern Med. 1996 Jan-Feb;10(1):45-7. doi: 10.1111/j.1939-1676.1996.tb02024.x.